; (function ($) {
    $.tankBattles = $.tankBattles || {};
    $.tankBattles.common = {
        extend: function (Child, Parent) {
            var F = function () { };
            F.prototype = Parent.prototype;
            Child.prototype = new F();
            Child.prototype.constructor = Child;
            Child.base = Parent;
        }
    };
    $.tankBattles.enum = $.tankBattles.enum || {};
    $.tankBattles.enum.direction = {
        left: 0,
        up: 1,
        right: 2,
        down: 3
    };
})(epam = typeof epam !== "undefined" ? epam : {});
